Patents Assigned to Kansai Paint Company, Limited
  • Patent number: 4973477
    Abstract: Disclosed are a coating composition (A) for preventing adhesion of organisms which comprises as its vehicle component a homopolymer or a copolymer, the homopolymer being one prepared by homopolymerizing a phenol-modified unsaturated monomer obtained by reacting (a) an unsaturated monomer containing epoxy group and/or hydroxyl group with (b) an addition reaction product of a phenolic compound with a compound having one carboxylic anhydride group per molecule, and the copolymer being one prepared by copolymerizing said phenol-modified unsaturated monomer and a radically polymerizable unsaturated monomer, and also a coating composition (B) for preventing adhesion of organisms which comprises as its vehicle component a phenol-modified resin prepared by reacting (c) a resin containing epoxy group and/or hydroxyl group with (b) an addition reaction product of a phenolic compound with a compound having one carboxylic anhydride group per molecule.
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: November 27, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Osamu Isozaki, Naozumi Iwasawa, Toshiro Hirama, Hiroshi Iwai
  • Patent number: 4972027
    Abstract: Disclosed is a composition curable at a low temperature and characterized in that the composition comprises:(a) a nonaqueous dispersion of a particulate polymer insoluble in an organic liquid and prepared by polymerizing a radical-polymerizable unsaturated monomer in the organic liquid in the presence of a dispersion stabilizer resin, the stabilizer resin being at least one of a copolymer comprising as its monomer components an oxirane-containing vinyl monomer and an alkoxysilane-containing vinyl monomer and a vinyl copolymer comprising as its monomer components a polysiloxane macromonomer and an oxirane-containing vinyl monomer,(b) a chelate compound admixed with a nonaqueous dispersion.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: November 20, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Osamu Isozaki, Noboru Nakai, Shinji Sugiura, Satoru Ito, Seiji Takami
  • Patent number: 4965312
    Abstract: A vehicle composition for coating materials is disclosed. The vehicle composition includes an organic liquid, finely divided particles of a vinyl polymer dispersed in the organic liquid and a polymer of alkoxysiloxane having an alkoxy group of 3 to 5 carbon atoms dissolved in the organic liquid. The vehicle composition is prepared by polymerizing at least one vinyl monomer in the organic liquid which has the alkoxysiloxane polymer dissolved therein, the organic liquid being capable of dissolving the vinyl monomer but incapable of dissolving the vinyl polymer obtained therefrom.
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: October 23, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Noboru Nakai, Osamu Isozaki, Susumu Midogohchi
  • Patent number: 4960611
    Abstract: A method of remedying a coating characterized by irradiating a minute defect in the coating due to the adhesion of a dust particle, oil droplet or the like with a laser beam having a cross section generally in conformity with the defect to sublime the dust particle, oil droplet or the like and the coating at the defective portion and form a minute cavity in the coating, filling a repair coating composition into the cavity and curing the composition.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: October 2, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Atsuhisa Fujisawa, Masuo Ojima, Kenji Wakabayashi, Souji Omoto, Toyokazu Shimizu
  • Patent number: 4960828
    Abstract: A top coating composition comprising(A) a polyol resin having a weight average molecular weight of 400 to 2,000 a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) of not more than 1.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: October 2, 1990
    Assignees: Kansai Paint Company, Limited, Toyota Jidosha Kabushiki Kaisha
    Inventors: Tetsuo Higuchi, Sachio Yamaguchi, You Sugimura, Shinji Sugiura, Shigeru Nakamura
  • Patent number: 4939219
    Abstract: Disclosed is a coating composition for preventing adhesion of aquatic organisms, the composition containing as a vehicle component a copolymer prepared by copolymerizing about 5 to about 85% by weight of (A) a monohydric and/or polyhydric phenol ester of acrylic or methacrylic acid; about 15 to about 75% by weight of (B) an ethylenically unsaturated monomer having a soluble parameter of about 8.0 to about 9.5 and a glass transition temperature of about 0.degree. C. or higher; and about 0 to about 50% by weight of (C) a water-soluble, ethylenically unsaturated monomer containing carboxyl group or amino group, based on the total monomer components.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: July 3, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Hirokazu Terashima, Osamu Isozaki
  • Patent number: 4933214
    Abstract: A coating method characterized in that the method comprises the steps of applying a thermosetting coating composition containing a pigment to a substrate to be coated, applying a first clear coating composition to the coat to form a first clear coat, baking the two coats at the same time for curing, applying to the cured coats a second clear coating composition capable of forming a second clear coat having, when cured, a molecular weight between crosslinks of about 200 or less as determined by a xylene-swelling method and baking the second clear coat for curing.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: June 12, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Shinji Sugiura, Teiitsu Takagi, Yuzo Miyamoto, Akira Kasari, Sachio Yamaguchi
  • Patent number: 4923945
    Abstract: Disclosed is a resin composition curable at a low temperature and characterized in that the composition comprises:(a) at least one of a copolymer comprising as its monomer components an oxirane-containing vinyl monomer and an alkoxysilane-containing vinyl monomer and a vinyl copolymer comprising at its monomer components a polysiloxane macromonomer and an oxirane-containing vinyl monomer,(b) a chelate compound, and(c) a compound having a number average molecular weight of up to about 1,000 and containing at least two alicyclic oxirane groups in the molecule.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: May 8, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Osamu Isozaki, Noboru Nakai, Satoru Ito, Seiji Takami
  • Patent number: 4923930
    Abstract: This invention provides a curable resin obtained by polymerizing at least one of an alkoxysiloxane-containing vinyl monomer and a polysiloxane macromonomer with an oxirane-containing vinyl monomer in the presence of a polymerization initiator and a resin having in the molecule a carboxyl group and/or an alicyclic hydrocarbon ring having one or two hydrogen atoms bonded to at least one carbon atom forming the alicyclic hydrocarbon ring; and a resin composition curable at a low temperature comprising the curable resin as defined above and a chelate compound.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: May 8, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Naozumi Iwasawa, Osamu Isozaki
  • Patent number: 4911954
    Abstract: A method of coating an aluminum wheel comprises:coating the aluminum wheel with a coating composition (A) comprising a thermosetting or thermoplastic resin having a glass transition temperature of -25.degree. to 60.degree. C. and an elongation of at least 30% (at 20.degree. C.) when in the form of a cured coating, and finely divided transparent silica and/or alumina 0.005 to 0.05 .mu.m particle size, in an amount of 5 to 35 parts by weight per 100 parts by weight of the resin, andsubsequently coating the resulting coating with a thermosetting acrylic resin coating composition (B) capable of forming a coating having an elongation of 3 to 30% (at 20.degree. C.) and a glass transition temperature of 60.degree. to 130.degree. C.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: March 27, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Tadayoshi Tatsuno, Komaharu Matsui, Mituo Wakimoto, Syoji Takahashi
  • Patent number: 4904504
    Abstract: Disclosed is a method of preventing adhesion of organisms characterized by coating a substrate with a coating composition comprising as its vehicle component a reaction product of a silane compound and/or a low condensation product thereof and an organic compound having at least two hydroxyl groups per molecule, the silane compound being represented by the formula(R.sup.1).sub.n Si--(OR.sup.2).sub.4-nwherein R.sup.1 is alkyl having 1 to 20 carbon atoms, haloalkyl having 1 to 12 carbon atoms, cycloalkyl having 3 to 7 carbon atoms, aryl or aralkyl having an alkyl portion with 1 to 12 carbon atoms, R.sup.2 is a hydrogen atom, alkyl having 1 to 8 carbon atoms, cycloalkyl having 3 to 7 carbon atoms or haloalkyl having 1 to 8 carbon atoms and n is an integer of 0 to 3.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: February 27, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Osamu Isozaki, Naozumi Iwasawa
  • Patent number: 4904053
    Abstract: Disclosed is a curable composition consisting essentially of (i) a polymerizable double bond-containing resin prepared by introducing a polymerizable double bond-containing group into a polymer containing as a monomer a fluoroalkyl acrylate or methacrylate represented by the formulaCH.sub.2 .dbd.C(R)--COO(CX.sub.2).sub.m (CF.sub.2).sub.n X (I)wherein R is methyl or hydrogen, X is fluorine or hydrogen, m is 1 or 2 and n is an integer of 1 to 12, and (ii) a fluoroalkyl acrylate or methacrylate of the formula (I).
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: February 27, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Yoshimasa Kinaga, Shigeo Murofushi, Kenji Seko
  • Patent number: 4900774
    Abstract: An aqueous coating composition characterized in that the composition comprises:(A) a water-dispersible film-forming acrylic polymer,(B) a crosslinking agent prepared by dispersing a hydrophobic melamine resin in water in the presence of a water-soluble resin, the hydrophobic melamine resin being up to about 20 in solvent dilution ratio when diluted with a water/methanol solvent mixture (35/65 in weight ratio) and about 500 to about 4000 in weight average molecular weight, and(C) a pigment.The composition is very suitable for use in the two-coat one-bake coating method as a base-coat composition.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: February 13, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Masaru Mitsuji, Mitsugu Endo, Kaoru Morita, Yasuo Takaya
  • Patent number: 4895910
    Abstract: This invention provides a resin composition curable at a low temperature and characterized in that the composition comprises:(a) a copolymer prepared from a polysiloxane macromonomer and an epoxy-containing monomer both containing ethylenically unsaturated groups,the polysiloxane macromonomer being prepared by reacting 70 to 99.999 mole % of a compound (A) represented by the formula ##STR1## wherein R.sub.1 is an aliphatic hydrocarbon group having 1 to 8 carbon atoms or phenyl, and R.sub.2, R.sub.3 and R.sub.4 are each alkoxyl having 1 to 4 carbon atoms or hydroxyl with 30 to 0.001 mole % of a compound (B) represented by the formula ##STR2## wherein R.sub.5 is a hydrogen atom or methyl, R.sub.6, R.sub.7 and R.sub.8 are each hydroxyl, alkoxyl having 1 to 4 carbon atoms or an aliphatic hydrocarbon group having 1 to 8 carbon atoms, at least one of R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: January 23, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Osamu Isozaki, Noboru Nakai
  • Patent number: 4895900
    Abstract: This invention provides a coating composition comprising a basic nitrogen-containing acrylic resin, a polyepoxy compound and a carboxyl group-containing acrylic resin.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: January 23, 1990
    Assignee: Kansai Paint Company, Limited
    Inventors: Hajime Sukejima, Hiroshi Iwai, Kozi Matsumoto
  • Patent number: 4886852
    Abstract: A process for preparing an aqueous dispersion, the process being characterized by comprising the steps of (i) preparing a nonaqueous dispersion of polymer particles by polymerizing a radically polymerizable unsaturated monomer (A) in an organic solvent, in which the polymer particles are insoluble, in the presence of, as a dispersion stabilizer resin, a copolymer which is prepared by copolymerizing an alkoxysilane group-containing vinyl monomer represented by the formula ##STR1## (wherein A is a group ##STR2## R.sub.1 is a hydrogen atom or methyl group, R.sub.2 is a saturated bivalent aliphatic hydrocarbon group having 1 to 6 carbon atoms, R.sub.3 and R.sub.4 are the same or different and each represent a phenyl group, alkyl group having 1 to 6 carbon atoms or alkoxy group having 1 to 10 carbon atoms, R.sub.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: December 12, 1989
    Assignee: Kansai Paint Company, Limited
    Inventor: Nobushige Numa
  • Patent number: 4871591
    Abstract: Disclosed is a finish coating method for forming a finish coat, comprising the steps of applying to a substrate a base coating composition containing a pigment and applying a clear top coating composition to the coated surface, the method being characterized in that the clear top coating composition is a curable one comprising predominantly a nonaqueous dispersion of a polymer of radically polymerizable monomer, the dispersion being prepared by polymerization of the radically polymerizable monomer in an organic solvent in which the monomer is soluble and in which the polymer produced from the monomer is insoluble and in the presence of a fluoroolefin polymer as a dispersion stabilizer which is soluble in the organic solvent and which has a weight-average molecular weight of about 5,000 to about 120,000 and a fluorine content of about 1 to about 60% by weight.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: October 3, 1989
    Assignee: Kansai Paint Company, Limited
    Inventors: You Sugimura, Tadashi Watanabe, Yutaka Sugiyama, Kazuhiko Ohira, Nobushige Numa, Sachio Yamaguchi, Akira Kasari
  • Patent number: 4833207
    Abstract: Disclosed is a curable composition consisting essentially of (i) a polymerizable double bond-containing resin prepared by introducing a polymerizable double bond-containing group into a polymer containing as a monomer a fluoroalkyl acrylate or methacrylate represented by the formulaCH.sub.2 .dbd.C(R)--COO(CX.sub.2).sub.m (CF.sub.2).sub.n X (I)wherein R is methyl or hydrogen, X is fluorine or hydrogen, m is 1 or 2 and n is an integer of 1 to 12, and (ii) a fluoroalkyl acrylate or methacrylate of the formula (I).
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: May 23, 1989
    Assignee: Kansai Paint Company, Limited
    Inventors: Yoshimasa Kinaga, Shigeo Murofushi, Kenji Seko
  • Patent number: 4814208
    Abstract: Disclosed is a coating method comprising the steps of applying a color coating composition, applying a coating composition containing a pigment capable of producing a metallic effect to the layer of the color coating composition and applying a clear coating composition to the layer of the pigment-containing coating composition, characterized in that the color coating composition is able to form a layer having a Munsell value of 0 to 6; that the pigment-containing coating composition contains an iron oxide pigment and a vehicle as main components, the iron oxide pigment being iron oxide particles which contain at least 80% by weight of .alpha.-iron oxide crystals and which are each coated with titanium dioxide; that about 90% by weight or more of the iron oxide pigment has a longitudinal size of about 30 .mu.m or less than 40% by weight or more of the pigment has a longitudinal size of about 5 to about 15 .mu.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: March 21, 1989
    Assignees: Toyota Jidosha Kabushiki Kaisha, Kansai Paint Company, Limited
    Inventors: Shizuo Miyazaki, Norio Fujita
  • Patent number: 4812337
    Abstract: Disclosed is a coating method for forming a metallic coat, comprising the steps of applying to a substrate a base coating composition containing a metallic pigment and applying a clear top coating composition to the coated surface, the method being characterized in that the clear top coating composition is a curable one comprising as a main component a nonaqueous dispersion of a polymer of a radically polymerizable monomer, said dispersion containing as a dispersion stabilizer a fluorine-containing copolymer comprising a hydroxyl group-containing monomer and a perfluoroalkyl group-containing acrylic or methacrylic monomer represented by the following formula (1) ##STR1## wherein R is a hydrogen atom or a methyl group, n is an integer of 1 to 11 and R.sub.f is a straight chain or branched chain perfluoroalkyl group having 1 to 21 carbon atoms.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: March 14, 1989
    Assignee: Kansai Paint Company, Limited
    Inventors: You Sugimura, Nobushige Numa, Tadashi Watanabe, Yutaka Sugiyama, Kazuhiko Ohira, Sachio Yamaguchi